Please read bellow before starting upgrade FW.

1.Before upgrading FW, please check what FW version the machine is.
  1-1.If the machine FW version is PVT108(including) or earlier, please upgrade to PVT109 first.
  1-2.If others, skip 1-1 and upgrade to the newest FW version directly.

2.To Upgrade PVT109:
  2-1.Unzip file and Copy PVT109B.BRN and FW_PVT.BRN to a USB disk.
  2-2.Following upgrade procedure, then it will starting upgrade to PVT109B.
  2-3.After upgrade PVT109B, updating FW_PVT.BRN will be starting automatically.
  2-4.Before FW_PVT.BRN is upgraded successfully, please don't remove the USB disk.